Rename selector name
Rename selector name

- Rename SELECTOR_BODY as SELECTOR_EXPANDABLE_BODY

oyjt/AdminLTE,almasaeed2010/AdminLTE,almasaeed2010/AdminLTE,slachiewicz/AdminLTE,oyjt/AdminLTE,oyjt/AdminLTE,slachiewicz/AdminLTE,garrettwong/AdminLTE,garrettwong/AdminLTE